Commonsense Media tries to solve for the problem of 'common sense' app reviews. Perhaps you find something you like here:

https://www.commonsensemedia.org/reviews/category/app/age/3+...

My 4 yr old loves Duolingo ABC and Hoopa City.

https://readingeggs.com

Good app and stays with a kid until they're at about grade 6. They have physical books, installable apps and a website.

https://www.youtube.com/watch?v=gg-63aSls68

Just setup a new version with letters and numbers with more to come.

https://sn0n.github.io/learnwithme/